:root { --bg:#f3f5f9; --card:#fff; --ink:#14213d; --muted:#5f6b85; --line:#d9dfeb; --pri:#0b5cff; --pri-d:#0846c4; --navy:#0b2a5b; --ok:#16833a; --err:#c62828; --warn:#b26a00;
  --Blue:#1e6fe0; --Green:#2e9e4f; --Purple:#7b3fb8; --Red:#d6342c; --Yellow:#f2c200; --Mystery:#5b6472; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin:0; font:16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; color:var(--ink); background:var(--bg); }
h1,h2,h3,h4 { margin:0 0 8px; line-height:1.2 } h2 { font-size:22px } h3 { font-size:18px } h4 { font-size:16px }
a { color:var(--pri); } .muted { color:var(--muted) } .small { font-size:13px } .pad { padding:16px } .pad0 { padding:4px 0 8px }
.err { color:var(--err) } .nw { white-space:nowrap }
.top { background:var(--navy); color:#fff; display:flex; justify-content:space-between; align-items:center; gap:10px; padding:10px 16px; flex-wrap:wrap; position:sticky; top:0; z-index:20 }
.brand b { font-size:18px } .role { margin-left:10px; background:#ffffff26; border-radius:99px; padding:2px 10px; font-size:13px }
.who { display:flex; gap:8px; align-items:center; font-size:14px; flex-wrap:wrap }
.tabs { background:#fff; border-bottom:1px solid var(--line); display:flex; gap:2px; overflow-x:auto; padding:0 8px; position:sticky; top:52px; z-index:19 }
.tabs a { padding:12px 14px; text-decoration:none; color:var(--muted); font-weight:600; white-space:nowrap; border-bottom:3px solid transparent }
.tabs a.on { color:var(--pri); border-color:var(--pri) }
main { max-width:1280px; margin:0 auto; padding:14px 16px 90px }
.card { position:relative; background:var(--card); border:1px solid var(--line); border-radius:12px; padding:14px; margin:0 0 12px }
.card.ok { border-color:var(--ok); background:#eefaf1 } .card.err { border-color:var(--err); background:#fdeeee }
.row { display:flex; gap:10px; align-items:center; flex-wrap:wrap } .row.sb { justify-content:space-between } .row.c { justify-content:center }
.grid2 { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:12px }
.row2 { display:grid; grid-template-columns:1fr 1fr; gap:10px } .row3 { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:10px }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; border:1px solid var(--line); background:#fff; color:var(--ink); border-radius:10px; padding:9px 14px; font:inherit; font-weight:600; cursor:pointer; text-decoration:none; min-height:40px }
.btn:disabled { opacity:.5; cursor:default } .btn.primary { background:var(--pri); border-color:var(--pri); color:#fff } .btn.primary:active { background:var(--pri-d) }
.btn.danger { background:var(--err); border-color:var(--err); color:#fff } .btn.sm { padding:4px 10px; min-height:32px; font-size:14px } .btn.big { padding:14px 20px; font-size:18px; min-height:54px } .btn.wide { width:100%; margin-top:10px }
input, select, textarea { font:inherit; padding:9px 10px; border:1px solid var(--line); border-radius:8px; background:#fff; color:inherit; max-width:100% }
input[type=checkbox] { width:20px; height:20px; padding:0 } textarea { width:100% }
.f { display:grid; gap:4px; margin:0 0 10px } .f > span { font-weight:600; font-size:14px } .f input, .f select { width:100% }
.form { display:block } .chk { display:flex; gap:8px; align-items:center; margin:8px 0 }
.toolbar { display:flex; gap:8px; flex-wrap:wrap; margin:6px 0 10px; align-items:center }
.chips { display:flex; gap:8px; flex-wrap:wrap; margin:6px 0 12px }
.chip { border:2px solid var(--line); background:#fff; border-radius:99px; padding:7px 14px; font:inherit; font-weight:700; cursor:pointer; color:var(--ink) }
.chip.big { padding:10px 18px; font-size:17px } .chip.on { background:var(--navy); color:#fff; border-color:var(--navy) } .chip small { font-weight:500; opacity:.8 }
.chip.sm { padding:5px 10px; font-size:14px; border-width:2px }
.chip.c-Blue,.chip.c-Green,.chip.c-Purple,.chip.c-Red,.chip.c-Yellow,.chip.c-Mystery { color:#fff; border-color:transparent; opacity:.45 }
.chip.c-Blue { background:var(--Blue) } .chip.c-Green { background:var(--Green) } .chip.c-Purple { background:var(--Purple) } .chip.c-Red { background:var(--Red) } .chip.c-Yellow { background:var(--Yellow); color:#222 } .chip.c-Mystery { background:var(--Mystery) }
.chip[class*=" c-"].on { opacity:1; box-shadow:0 0 0 3px #fff, 0 0 0 5px var(--ink) }
.badge { display:inline-block; background:#e7edfa; color:var(--navy); border-radius:6px; padding:1px 8px; font-weight:700; font-size:13px; margin:1px 2px }
.tbl { border-collapse:collapse; width:100%; background:#fff } .tbl th, .tbl td { border-bottom:1px solid var(--line); padding:7px 8px; text-align:left; vertical-align:top; font-size:14px }
.tbl th { background:#eef2fa; position:sticky; top:0; font-size:13px } .tbl tr.dim td { color:var(--muted); background:#fafbfd } .tbl tr.click { cursor:pointer } .tbl tr.click:hover td { background:#f0f5ff }
.tablewrap { overflow:auto; border:1px solid var(--line); border-radius:10px; background:#fff; max-height:70vh }
.bar { position:relative; height:20px; background:#e6ebf5; border-radius:99px; overflow:hidden; margin:2px 0 8px } .bar i { position:absolute; inset:0 auto 0 0; background:var(--ok) } .bar span { position:relative; font-size:12px; font-weight:700; padding-left:8px; line-height:20px }
.kv { display:grid; grid-template-columns:1fr auto; gap:2px 14px; margin:8px 0 }
.tgrid { display:flex; flex-wrap:wrap; gap:6px; margin-top:8px } .tc { border:1px solid var(--line); border-radius:8px; padding:4px 8px; display:grid; font-size:12px; min-width:64px } .tc.full { background:#e8f7ec; border-color:var(--ok) } .tc small { color:var(--muted) }
.overlay { position:fixed; inset:0; background:#0b1630b3; z-index:50; display:flex; align-items:flex-start; justify-content:center; padding:16px; overflow:auto }
.dialog { background:#fff; border-radius:14px; width:min(520px,100%); margin:auto; box-shadow:0 20px 60px #0006 } .dialog.wide { width:min(820px,100%) }
.dhead { display:flex; justify-content:space-between; align-items:center; padding:12px 16px; border-bottom:1px solid var(--line) } .dhead h3 { margin:0 } .dbody { padding:14px 16px; max-height:75vh; overflow:auto } .dfoot { display:flex; gap:10px; justify-content:flex-end; padding:12px 16px; border-top:1px solid var(--line); position:sticky; bottom:0; background:#fff; border-radius:0 0 14px 14px }
.x { border:0; background:none; font-size:28px; line-height:1; cursor:pointer; color:var(--muted) }
.toast { position:fixed; left:50%; bottom:24px; transform:translate(-50%,30px); background:#14213d; color:#fff; padding:12px 18px; border-radius:10px; opacity:0; transition:.25s; z-index:99; max-width:92vw } .toast.show { opacity:1; transform:translate(-50%,0) } .toast.err { background:var(--err) } .toast.ok { background:var(--ok) }
.login { min-height:100vh; display:grid; place-items:center; padding:16px } .login .card { width:min(400px,100%); padding:24px } .logo { background:var(--navy); color:#fff; font-weight:900; letter-spacing:2px; display:inline-block; padding:6px 14px; border-radius:8px; margin-bottom:12px }
.thead { display:flex; gap:12px; align-items:flex-start } .sbd { background:var(--navy); color:#fff; font-weight:800; font-size:22px; border-radius:10px; padding:8px 12px; letter-spacing:1px } .sbd.sm { font-size:15px; padding:2px 8px; display:inline-block }
.tinfo { flex:1; min-width:0 } .studs { display:flex; flex-wrap:wrap; gap:4px 10px; margin:4px 0 } .stu { font-size:14px } .stu.in { color:var(--ok); font-weight:600 }
.tlist { display:grid; grid-template-columns:repeat(auto-fill,minmax(420px,1fr)); gap:12px } .tcard { position:relative; margin:0 } .seat { position:absolute; right:12px; top:10px; text-align:center; font-size:12px; color:var(--muted); display:grid } .seat b { font-size:24px; color:var(--ink) }
.rounds { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-top:10px } .rbtn { display:grid; gap:2px; text-align:center; padding:10px; border:2px solid var(--pri); border-radius:10px; text-decoration:none; color:var(--pri); font-size:14px } .rbtn b { font-size:18px } .rbtn.done { border-color:var(--ok); color:var(--ok); background:#eefaf1 } .rbadge { position:absolute; right:12px; top:10px; background:var(--pri); color:#fff; border-radius:99px; padding:2px 12px; font-weight:700 }
.timer { text-align:center } .tdisp { font:800 clamp(44px,12vw,76px)/1.1 ui-monospace,Menlo,Consolas,monospace; letter-spacing:1px; margin:6px 0 12px } .tdisp.over { color:var(--err) } .tin { width:64px; text-align:center; padding:6px } .tman { margin-top:12px; font-size:14px }
.seg { display:flex; border:2px solid var(--navy); border-radius:12px; overflow:hidden; margin:0 0 12px } .segb { flex:1; padding:12px; font:inherit; font-weight:700; border:0; background:#fff; color:var(--navy); cursor:pointer } .segb.on { background:var(--navy); color:#fff }
.blk { display:grid; grid-template-columns:34px 1fr; gap:6px 10px; align-items:center; padding:10px 0; border-top:1px solid var(--line) } .blk.done { background:#f6fbf7 } .bn { font-weight:800; font-size:20px; text-align:center; color:var(--muted) } .bcol { display:flex; flex-wrap:wrap; gap:6px } .bst { grid-column:1/-1; display:grid; grid-template-columns:repeat(4,1fr); gap:6px }
.st { border:2px solid var(--line); background:#fff; border-radius:10px; padding:10px 4px; font:inherit; font-weight:700; display:grid; gap:0; cursor:pointer; min-height:52px; color:var(--ink) } .st small { color:var(--muted); font-weight:600 }
.st.on { color:#fff } .st.on small { color:#ffffffcc } .st-none.on { background:#6b7280; border-color:#6b7280 } .st-contained.on { background:#d97706; border-color:#d97706 } .st-neutralized.on { background:var(--ok); border-color:var(--ok) } .st-analyzed.on { background:var(--pri); border-color:var(--pri) }
.stepper { display:flex; align-items:center; gap:14px } .stepper .btn { width:54px; height:54px; font-size:26px } .stepper b { font-size:28px; min-width:36px; text-align:center }
.rawbar { position:sticky; bottom:0; background:var(--navy); color:#fff; padding:10px 16px; margin:0 -16px 12px; font-size:18px; text-align:center; border-radius:10px } .rawv { font-size:28px }
.req { color:var(--err); font-size:13px }
.thumbs { display:flex; flex-wrap:wrap; gap:8px; margin:6px 0 10px } .thw { position:relative } .thumb { width:110px; height:82px; object-fit:cover; border-radius:8px; border:1px solid var(--line); background:#eee } .x.del { position:absolute; top:-6px; right:-6px; background:var(--err); color:#fff; border-radius:50%; width:26px; height:26px; font-size:18px }
.sig { width:100%; height:200px; border:2px dashed var(--muted); border-radius:10px; background:#fff; touch-action:none; display:block; margin-bottom:6px } .sigimg { max-width:320px; border:1px solid var(--line); border-radius:8px }
.sumhead { font-size:17px; margin-bottom:8px } .bigscore { font-size:22px; margin:10px 0 } .bigscore b { font-size:34px; color:var(--pri) }
.awsel { padding:3px 6px; font-size:12px; margin-top:3px } .aw { display:inline-block; border-radius:6px; padding:2px 8px; font-weight:700; font-size:13px } .aw.nhat { background:#ffd54a } .aw.nhi { background:#dfe3ea } .aw.ba { background:#f1c9a0 } .aw.kk { background:#d7ecff } .aw.ttv { background:#e6f6e0 } .aw.ydp { background:#f3e3ff } .aw.dau { background:#ffe3e3 }
.srow { display:grid; grid-template-columns:2fr 70px 2fr 1.2fr auto; gap:6px; margin-bottom:6px } .tpick { margin-bottom:8px }
.bigsearch { width:100%; font-size:20px; padding:14px; margin:8px 0 12px } .cstat { margin:6px 0 }
.crow { display:flex; gap:10px; align-items:center; padding:8px 0; border-top:1px solid var(--line) } .crow .cname { flex:1 } .crow.in { background:#f0faf3 } .crow.hi { outline:3px solid var(--pri); border-radius:6px } .cin { color:var(--ok); font-weight:700 }
.scanv { width:100%; max-height:46vh; background:#000; border-radius:10px } .scanres { margin-top:10px }
.qrgrid { display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:10px } .qrcard { display:flex; gap:10px; border:1px dashed #888; border-radius:8px; padding:8px; background:#fff; break-inside:avoid } .qrbox { width:112px; flex:none } .qrbox svg { width:112px; height:112px; display:block } .qrt { font-size:12px; min-width:0 } .qsbd { font-size:20px; font-weight:800 } .qs { color:#555; margin-top:3px }
@media (max-width:700px) { .srow { grid-template-columns:1fr 1fr } .tlist { grid-template-columns:1fr } .row2 { grid-template-columns:1fr } .tabs { top:88px } }
@media print { body { background:#fff } .top, .tabs, .noprint, .toast { display:none !important } main { padding:0; max-width:none } .qrgrid { grid-template-columns:repeat(3,1fr); gap:6px } .qrcard { border-color:#000 } }

.pills { display:flex; flex-wrap:wrap; gap:6px; margin:6px 0 } .pill { display:inline-flex; gap:6px; align-items:center; border:1px solid var(--line); border-radius:99px; padding:4px 10px; font-size:14px; background:#fff } .pill.st-contained { background:#fff4e0 } .pill.st-neutralized { background:#e8f7ec } .pill.st-analyzed { background:#e6efff }
.dot { width:14px; height:14px; border-radius:50%; background:#c4cad6; display:inline-block } .dot.c-Blue { background:var(--Blue) } .dot.c-Green { background:var(--Green) } .dot.c-Purple { background:var(--Purple) } .dot.c-Red { background:var(--Red) } .dot.c-Yellow { background:var(--Yellow) } .dot.c-Mystery { background:var(--Mystery) }
.tcard .tinfo { padding-right:54px }
.badge.pub { background:#dff5e5; color:var(--ok) } .ok-note { color:var(--ok); margin-top:6px } .zone { width:120px; padding:5px 8px; margin-left:auto } .bn small { display:block; font-size:11px; font-weight:600; color:var(--pri) }
.danger-zone { border-color:var(--err) }
.warn-note { color:var(--warn); margin-top:6px; font-weight:600 }

/* ===== Tối ưu điện thoại ===== */
button, .btn, a.rbtn, .chip, .st { touch-action: manipulation; -webkit-tap-highlight-color: transparent }
@media (max-width:700px) {
  body { font-size:16px }
  main { padding:10px 10px 90px }
  h2 { font-size:20px }
  .top { position:static; padding:8px 10px; gap:6px }
  .brand b { font-size:16px } .role { margin-left:6px; font-size:12px; padding:1px 8px }
  .who { width:100%; justify-content:space-between; gap:6px } .who span { font-weight:600; margin-right:auto }
  .who .btn.sm { min-height:36px }
  .tabs { top:0; padding:0 4px } .tabs a { padding:12px 12px; font-size:15px }
  .card { padding:12px; border-radius:10px }
  /* nút cấp độ: lưới 2 cột, ẩn tên tiếng Anh */
  .chips { display:grid; grid-template-columns:1fr 1fr; gap:8px } .chips .chip { text-align:center; padding:10px 6px; min-height:46px } .chips .chip small { display:none }
  .toolbar { gap:6px } .toolbar .btn { flex:1 1 calc(50% - 6px); min-width:0; padding:9px 8px; font-size:15px } .toolbar input[type=file] { display:none }
  .toolbar select, .toolbar input { flex:1 1 100%; width:100% }
  .grid2, .tlist { grid-template-columns:1fr }
  /* hộp thoại toàn màn hình */
  .overlay { padding:0; align-items:stretch } .dialog, .dialog.wide { width:100%; min-height:100%; margin:0; border-radius:0; display:flex; flex-direction:column; box-shadow:none }
  .dbody { max-height:none; flex:1; padding:12px } .dfoot { border-radius:0; flex-wrap:wrap; padding:10px 12px; padding-bottom:max(10px, env(safe-area-inset-bottom)) } .dfoot .btn { flex:1 1 auto; min-height:48px }
  .dhead { position:sticky; top:0; background:#fff; z-index:2 }
  /* bảng → thẻ */
  .tablewrap { border:0; background:none; max-height:none; overflow:visible }
  .tbl, .tbl tbody { display:block; background:none } .tbl thead { display:none }
  .tbl tr { display:block; background:#fff; border:1px solid var(--line); border-radius:10px; margin:0 0 8px; padding:6px 10px }
  .tbl td { display:flex; gap:10px; justify-content:space-between; align-items:center; border:0; border-bottom:1px dashed #e6eaf3; padding:6px 0; text-align:right; font-size:15px }
  .tbl td:last-child { border-bottom:0 }
  .tbl td::before { content:attr(data-l); font-weight:600; color:var(--muted); font-size:13px; text-align:left; flex:none }
  .tbl td[data-l=""]::before { display:none } .tbl td[data-l=""] { justify-content:flex-start; text-align:left }
  .tbl td.nw { white-space:normal; flex-wrap:wrap; justify-content:flex-end }
  .tbl td input, .tbl td select { max-width:60%; min-width:0 } .tbl td input[type=checkbox] { max-width:none }
  /* phiếu chấm */
  .sbd { font-size:20px } .tdisp { font-size:clamp(40px,16vw,64px) } .rounds { gap:8px } .rbtn { padding:12px 6px }
  .blk { grid-template-columns:28px 1fr } .bcol { gap:5px } .chip.big { padding:9px 14px; font-size:16px }
  .st { min-height:56px; font-size:15px } .stepper .btn { width:60px; height:60px }
  .rawbar { margin:0 -10px 12px; font-size:16px; bottom:env(safe-area-inset-bottom, 0) }
  .sig { height:220px } .thumb { width:30vw; height:23vw } .zone { width:90px }
  .bigsearch { font-size:18px }
  .qrgrid { grid-template-columns:1fr }
}
@media (max-width:380px) { .tabs a { padding:12px 9px; font-size:14px } .toolbar .btn { flex:1 1 100% } }
@media (max-width:700px) { .bcol { display:grid; grid-template-columns:repeat(3,1fr) } .bcol .chip { padding:9px 4px; text-align:center } }
.bn { user-select:none; -webkit-user-select:none; pointer-events:none } .bn .bnum { display:block }
@media (max-width:700px) {
  .blk { grid-template-columns:62px 1fr; gap:6px 8px }
  .bn .bnum { font-size:26px; line-height:1.1; color:var(--ink) }
  .bn .bzone { display:block; margin-top:2px; font-size:20px; font-weight:800; color:var(--pri); background:#e7edfa; border-radius:8px; padding:1px 4px }
  .bcol { gap:4px } .bcol .chip, .bcol .chip.big { padding:5px 2px; font-size:14px; min-height:34px; border-width:2px }
  .bst { grid-template-columns:repeat(auto-fit,minmax(0,1fr)) }
}

/* Dòng khối: STT nhỏ | Tên vị trí to | Màu to */
.blk { grid-template-columns:30px minmax(0,1fr) minmax(0,1.3fr) !important; gap:6px 8px; align-items:center }
.blk .bnum { font-size:16px; font-weight:700; color:var(--muted); text-align:center }
.blk .bzone { font-size:34px; font-weight:900; color:var(--pri); text-align:center; background:#e7edfa; border-radius:10px; padding:2px 4px; line-height:1.2; min-height:48px; display:grid; place-items:center; user-select:none; -webkit-user-select:none; pointer-events:none }
.blk .bzone:empty { background:none }
.bcol.one { display:grid; grid-template-columns:1fr; gap:2px; justify-items:center } .bcol.one .chip { width:100%; font-size:22px; font-weight:800; padding:10px 6px; min-height:52px; opacity:1 }
.bcol.pick { grid-column:1/-1; display:grid; grid-template-columns:repeat(3,1fr); gap:6px } .bcol.pick .chip { text-align:center; padding:9px 4px; font-size:15px; min-height:40px }
@media (max-width:700px) { .blk { grid-template-columns:30px minmax(0,1fr) minmax(0,1.3fr) !important } .bcol.one .chip { font-size:20px } .bcol.pick .chip { font-size:14px } .blk .bzone { font-size:32px } }
.blk .bzone { font-size:42px !important; min-height:58px }
.bcol.one .chip { font-size:17px !important; padding:7px 6px !important; min-height:42px !important }
.blk { grid-template-columns:28px minmax(0,1.15fr) minmax(0,1fr) !important }